Architecture And Design

Question 1

IaaS

Answer 1

Infrastructure as a service - provisioning of network infrastructure
I.e virtual machines, EC2, Azure

Question 2

Public Cloud

Answer 2

It’s a shared resource. Offers pay as you go subscriptions and consumers can use multiple cloud services.

Question 3

Hosted/ Private Cloud

Answer 3

Hosted by a third party for the exclusive use by an organisation

Question 4

Private infrastructure

Answer 4

Is completely private and created and hosted by the organisation. Best control over privacy and security. Typically used for banks and government

Question 5

Community

Answer 5

Organisations share the cost of either a hosted or private cloud and pool resources together and standardisation

Question 6

SaaS

Answer 6

Software as a Service - the provisioning of applications and software licensing on demand. I.e G-suite

Question 7

PDTSPA

Answer 7

Physical Layer
Data Layer
Transport Layer
Service Layer
Presentation Layer
Application Layer

Question 8

Physical Layer

Answer 8

The network infrastructure, such as cables and

Question 9

PaaS

Answer 9

Platform as a Service - delivered network and software for cloud service